Severe · Flood WatchActive alert

Flood Watch issued September 19 at 10:06AM MDT until September 19 at

Affecting Helena Valley; Meagher County Valleys; Canyon Ferry Area; Gallatin Valley

In effect until: Sep 20, 2026, 12:00 AM

Helena Valley; Meagher County Valleys; Canyon Ferry Area; Gallatin Valley

Possible impact zone; conditions develop through 12:00 AM.

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

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Read the original bulletin (official text)

* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...The Canyon Ferry Area, Helena Valley, and Meagher County
Valleys in Central Montana

* WHEN...Until 6 PM MDT this evening.

* IMPACTS...Excessive runoff may result in flooding of low-lying and
flood-prone locations.

* ADDITIONAL DETAILS...
- An area of rain will bring additional precipitation amounts to
around 0.5 inch today, with locally higher amounts near the
mountains.
- Some locations impacted include Helena, Townsend, White Sulphur
Springs, and Bozeman.
- http://www.weather.gov/safety/flood

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Flood Watch issued September 19 at 10:06AM MDT until September 19 at

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